Rockcastle County, KY Shrink-Swell Risk

Shrink-swell potential in Rockcastle County, KY

Low

Soil across 73.7% of Rockcastle County, KY comes back "Low" in USDA's shrink-swell data, averaging 2.25% linear extensibility. That's the easiest starting point on this site's scale - a standard foundation is the reasonable default here, though any one lot can still differ.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Rockcastle County, KY - never a reading for one specific parcel. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Rockcastle County will actually do.

Rockcastle County: the real numbers

Rockcastle County's soil reading points toward standard foundation practice as the likely outcome, not the exception. A geotechnical report runs $1,000-$5,000, typically around $2,700. Foundation repair, if a specific lot turns out to differ from the county average, runs $5,000-$15,000.

Where this sits nationally

Among the 3,085 rated counties on this site, Rockcastle County, KY ranks 1,762 most-constrained nationally, and 72 of 120 within Kentucky. Rockcastle County covers 317 square miles and counts 16,226 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Clarke County, MS and Walker County, AL are worth a look for comparison.

How this reading is built, and its real limits · Moisture management: the cheap fix that works on any soil

Elsewhere in Kentucky

Every county in Kentucky is on this site, including Bourbon County, KY and Bullitt County, KY. The full underlying dataset is downloadable directly, one row per county.